combine .mat file's in 1

(
	rollout mergeLibs ".mat merger"
	(
		local matArray = #()
		local matsCollected = 0
 
		button btn_getFiles "Add Files" width:200 height:25
		label lbl_foundMats "Materials Collected: 0"
		button btn_setDest "Choose destination" width:200 height:25 --enabled:false
 
		ON btn_getFiles PRESSED DO
		(
			local theDialog = dotNetObject  "System.Windows.Forms.OpenFileDialog"
			theDialog.Multiselect = true --allow multiple files to be selected
			theDialog.title = "Add Files"
			theDialog.Filter = "Material Library (*.mat)|*.mat|All Files (*.*)|*.*" --specify the filter
			theDialog.FilterIndex = 1
			local result = theDialog.showDialog() --display the dialog, get result into variable
			result.ToString() --when closed, convert the result to string
			IF (result.Equals result.Cancel) != true DO --returns TRUE if Cancel was pressed, FALSE otherwise
			(
				FOR theFile in theDialog.fileNames DO 
				(
					local theLib = loadTempMaterialLibrary theFile
					IF theLib != undefined DO
					(
						FOR theMat in theLib DO
						(
							append matArray theMat
							matsCollected = matsCollected+1
							lbl_foundMats.text = ("Materials Collected: "+matsCollected as string)
						)
					)
				)
			)
			IF matArray.count != 0 DO btn_setDest.enabled = true
		)
		ON btn_setDest PRESSED DO
		(
			local matSavePath = (getSaveFileName caption:"Save Material Library" types:"Material Library (*.mat)|*.mat")
			IF matSavePath != undefined DO
			(
				local matLibrary = materialLibrary()
				FOR theMat in matArray DO append matLibrary theMat
				saveTempMaterialLibrary matLibrary matSavePath
			)
		)
	)
	createDialog mergeLibs width:220
)